Brake arrangement



Aug. 3, 1943. w. H, BASEL-r ETAL.`

' BRAKE ARRANGEMENT Filedl March 23 1940 7 Sheets-Sheet 1 INV ENTOR5Aug. 3, 1943. w. H. BAsELT ETAI.

BRAKE ARRANGEMENT Filed March 23, 1940 7 Sheets-Sheet 2 uw@ mw ww ww uwATTORNEY.

Aug. 3, 1943. w. H. BASEL-r ETAL BRAKE ARRANGEMENT med March 2s; 1940 7Sheets-Sheet 5 yI ENTOR5I waaier .50,5

ATTORNEY.

,Nm www Aug.v 3, 1943.

w. H. BAsL-:LT ETAL BRAKE ARRANGEMENT Fled'MarOh 25, 1940 7*Sheets-Sheet 5 Cali 7E Tac/6,

ATTORNEY.

isheets--sheet lE;

Aug.. 3, 1943. w. H. BAsELT ET AL' BRAKE ARRANGEMENT Filed March 23,1.940

INVENTRS WaZZerHae l ("arl. Tach, Y

ATTORNEY.

Aug' 3, 1943- w. vH. BASEL-r Erm. 2,325,934

BRAKE ARRANGEMENT Filed March 23, 1940 7 Sheets-Sheet 7 n l. OM L may,www w@ @mw rw e r m5 i. t mu m w@ am m* m ATTORNEY.

Patentd Aug. 3, `i943V i i- -V v ber.

theregfibn @D i, ,..0 ,Y '-'be foi (une hoard sh' n of the shoulder 24as at 48, the rollers 42, 42 held in spaced relationship by the cage 44,and the outerl race or cup 46 press-litted in the wheel |8. A lubricantcavity 48 may Vbe afforded by the wheel |8 and the closure plate 58which may be secured to the inboard face of said wheel bythe rotorsupporting bolts 52, 52, said bolts having a tapering shoulder54 servingto tightly retain said closure plate. Escape of lubricant from thecavity 48 is prevented by the annular grooves 56, 56

formed in the inwardly directed flange 58 on saidY closure'plate, thesnap ring 88 which formswith inboard stator V'I8 has its head inabutment as Y at ||8 against a U-shaped strap |28 welded to i. againstthe spring cap iwbich may b 'e 're- `said `grooves alabyrinthine'passage, and a gasket:

6 2 inserted bet'vveenthe closure Vplate andyt'he `wheel. n n@ .f Thebraking means may be'supported inboard "the Wheel and comprises theoutboard and inf board rotors 84 and 68, the outboard stator 68positioned between said rotors, and the `inboard stator '|8 which has4abutment against the Vinsulator or gasket*12`securedjtothe' face of thepistained on said shoulder' by the nut |34 V'in threaded engagement withsaid bolt. Each kspring cap |32 affordsa vseat for la compression spring|38 which may :be enclosed within arelease spring housing |38,saiclliousing being welded to a ring |48 secured outboard the Wheel bythe nuts |42,

" |42 threadedon said rotor supporting bolts 52, 52.

tonv T4, said pistonfbeing operable inthe ring Y cylinder 1S.

',Thebu'tboard rotor 64 maybe secured to thev inboard'face of thewheeljby countersunk;rivetsV 18, 18 andthe inboardrotor 881may besupportedA from"the"elongated heads `1 8,1'|8 of the bolts 52,

52,` said elongated-heads having bearing asf'at' 88 in -thealignedspaeedlugs 82 ,i 82 formedV vz trou'nd said 'closure platel vOnthe-inner circurnf/erence- A of Vthe inboard ro`tor"66 maybe formed theSDcedf slots 84, 8 4 (Figure 4) cooperating with said 'cloni-'f The ringcylinder l5 may be supported from the pedestal block 281 through spacedlugs |44, |44 (Figures 4 and 5)l integrally formed-fon the innerperimeterlofsaid ring cylinder inA alignment withthe ears'or lugs' |48,|48 formed Yon said pedestal' block and secured thereto bythe capscrewsj|48,

|46 are nished'to provide precisefand acc`i1r-ateV Y V'mounting' ofsaidcylinder on said pedestal; block.

gatedfle'ads: 18, 18 Y,to afford axial moverrient Yof said rotor.,Alternating with saiufsicts,v s4,f 8 4 mayib'elthe'larger spaced: slots88, 88 providing convenient 1neans' for dismantlingsaid rotor byrotating it,jaftertl1e bolts 52, 52 have been .With-'7; drawn,fi1ntil'the 'slots' 86, 88 are aligned with` thelugs V82, 82 and then slippingsaid rotor over said lugs.

The vstators cutboarustator. es having -r-shaped nos 52:92

(Figure 8)"Weldedfthereto on opr'o'sitefsidesA of each of saidstuds 88,88, andthe inboardfstator 18 (Figures l and "7)" having 'r'ectangularslots 94,

94 formedin its outer circumference to receive` thestuds S8, 88..' Eachstator Ycorresponds generall'yI to the statordisclosed and described Vinthe co-pe'nding application Serial No; ,306,709,-1no'w' abandonedffiledinthe United States Patent OlCeNOvernber 29, 1939 in the name "of'C'a'rlE. Tack andentitled Brakeelernent, andbrieflyl comprises a circularflexible disk 96 (Figure 4l 88V and A18 jm'ay be supported rerspectively from the outboardl'yA directedflngs `or` studs 88, 88 and 98,98 integrallyformed on the` 4,outer circumference of thering cylinder5,vth'e' Passageway'for a cooling medium, such as air, is

provided through said'jslots 86, 86 and radial slots:

|52, |52 formed in said'rotOrMSS. A torqueam |54 may be' formedintegrally Awith the'ring cy1' inder yand may be connected toa bracket|56 on the side meinber', said'torque arrnj being re-Y silientlyconnected as at 158, A|58 ji(Figurej l).

,c Inlets |58, |68V (Figure'il' for an actuating me dium suchv asair may"be afforded, in said ring' cylinder, and each may befynovidedwith aflange cover V|82 whentheother' inlet is Abeing used.

Ingoperation, theV piston "I4 urges the inboard stator 18, the rotor 68,and theoutboard stator BSjVint'Qa compact pile against the outboardrotor 64jfo`r'frictional engagement. Onrelease of the powermeans.saidstators'androtors return to their normal positions by theindependent,release'` y Vmeans heretofore described'. 1 f

The` modification ishown in Figures 10 `to` 15 differsufrorn theaforedescribed'modification in thatnovel support and release meansofresilientf rnaterialare afforded for eacho'f the Astators kand Qppositesidesj With'sp-aced slots |88, |88 f ormedjA between said pads to permitexpansion'thereoff and to afford apassagewayforfa cooling medium, -su'cnas'air. Torque'of Vthe outboard stator" 68 is taken by abutment' asjat|82, ||J2"(Figur e` 8') o1! theT-shaped ribs r82, 9 2 vagainst'saidstud88,

, dicatediat |76-, 'said antfriction 'bearing having and `torque vofftbe'inboard stator. V|8 istaken as b'yabutment'vas at ",184,V |84 (Figure'7)of the,

edges ofthe rectangular slots 94,84 against'the 551185,90, 90

vRelease means for said stators'may befprc-' vided by'therlease'orplunger pins" |88, |88 (Fig-1 ures'rxan'd 6) operable in 4each ofsaidfstuds and having sleeved thereoverQtlie compressionsprings:

. |18, |8 which may bey seated en the 'retainers |I2, |V|2. Eachpinassociated'with the outboard stator 8 8. has fits head in," abutmentagainstjsaid' `Statur as Yat l [Gand eachlpiras's'ociated With'the'er'aily'to the stator shown anddescribejdin lthe' 75 thel actuatingvmeans 'is provided with resilient mounting on the outer axle.

prises aninner rotating axle |18 (ligure 1:8)flj1aif-Y havin'gjanfouternonrotating axle |141 ksleeved thereover; "Between said 'outer axle'and'the 'wheel |12 maybe the 'antifriction bearing generally inspaced rotorsupporting bolts |88, 'lwhich'have elongated heads |82, V|82 bearing inalign'ed lugs |84; |84 spacedon said'closure plate.' f

The 'braking rnear'isY may be. supported inboard v VthelA v vheel andcomprises an@ outerjrotor4 |86' secured torsaid Wheel, an inboard'rotor.|88 supe' portedV fro'msaid 'elongated' heads |82, |82 andy theoutboard and inboard statorsV |98 and- |92 interleaved Withsaid rotorsand l ield`agans`t4 rotation by abutment against outwardly directedstuds |84, |S4'andl96, |96 respectively` (Figires 15 and 14) which areintegrally foririedfonlthe ring cylinder |88. "Said stators correspondgenco-pending application Serial No. 386,709f0w' The braking' an,rangement' corresponds generally toV that 'already s hoWfn andeach'wh'eel andnaxleassemblyfcomfor said lstators .comprising spacedvpads of Vresilient material mounted on said actuating means. A' 2;1In acar truck, a frame, a supporting wheel and axleassembly comprising arotating axle having -a-wheel thereon, al nonrotating axle (around said-rotating axle, antifriction bearings between said wlieel and saidlnonrotatingiaxle, a yclosure plate, an inboard journal member,actuating means su'pported'from said-journal memberfbraking' meansoperable between'said Wheel and said journal member andincludingrstators supported fromsaid actuating means and rotorssupported from said wheel and closure plate, said actuating meansVbeing'operableV to 'move said rotorsand'stators into'a vcompact pilefor friction'al engagement; l Y

3. In a railway braking arrangement, a frame, an inner rotating axlehaving a'wheel thereon, an outer ncnrotating axlearoundfsaidrrotatingaxle, antiiriction bearings between said wheel and said nonrotatingaxle, an'inboard Ajournal member,y power means resiliently supportedfrom said Vnonrotating axle between saidwheel and said journal member,braking vmeans operable betweensaid wheel and said power meansr andcomprising interleaved rotors and stators supported,respetivelyfiromsaid wheel landfsaid powerimeans, said power means being operable to,ur'gesaid rotors` and stators into frictional l engagement Y 4; Inarailway brakingY arrangement, a frame, .a supporting wheel and axleassembly-comprising an inner axle having a wheel thereon, an

Y outer axle Y,sleevedover said inner axle; an inboard journal ,m'embenantifriction bearings lbetween said wheel and' said outer axle,'aclosure plate, resilient means secured,A around said outer .sv'axle'"adjacent said journalimember, actuating means supported fromsaid resilient meansbetween said wheel and said journalmember; rotorssupported yfrom said wheel and said closure plate, stators supportedfrom said actuating means, and

resilient pads on said actuating" means *affording release meansfor'said stators.

E,l In a brake,arrangement`- for a railway car truck, a frame,supporting wheel andaxle assemblies, pedestalblocks irlboard said wheelsaffording seatsfor saidfframe, braking 4means between each wheel and theadjacent block com prislng'interleaved rotors and stators, said rotorsbeing supported from said wheel, power means supported on said blockaround the axle, said stators being, supported from said power means andsaid power means being operable to move Y said stators and rotors intoengagement with each other,v and a torque connection `between said.frame and saidpower means.v

` l dlnfa'brake arrangementfor'a `railway car `truck, a wheel and .axleassembly, a frame supportingY member seated on saidaxle inboard saidwheel, braking means supported between said Wheel and saidmembercomprising interleaved rotors and stators supported respectively from -Vsaid wheel and said member,` said braking 'meansv l comprising a'ringcylinder secured to lsaid member concentric with said axle, andresilient means rotors and. stators supportsdessectively fromvsaidwlieel and saidrnember, saidbraking means comprising a ringcylinder secured tosaid member concentric with. said axle, and resilientmeans mounted on said cylinder and operable 5 to'return said stators toreleasedposition after actuation.. Y `.8. In.,a..brakearrangement-ai'wheel and-axle assembly, a-irame supported on saidassembly inboard said wheel, braking` meansv comprising interleavedArotorsand statorssuppor ed around saidaxlebetween said wheel andiramaoperating meansriorsaid braking `.means in the form `o-a ringcylinder supported concentric with said axlefand release meansqfor saidrotors and stators supported respectively iromsaid wheel and'said powermeans, said-stator release means being also operative to resilientlysupport said stators concentric withsaid axle.

V9.' In a brake arrangement, a .wheel andaxle assembly inbo-ard saidwheel, a frame supported thereon, and bra-king means in the form ofrotors and stators between said wheei and saidmem Vrelease means beingVindependently operative for respectivestators'. Y

10.1 Ina vbrake arrangement, a wheel'and axle assembly', a framesupporting member `on said assembly inboardsaid wheel, a frame.supported lthereon, braking means in the form of rotors and statorsbetween said wheel and said member and supportedV respectivelytherefrom, said .braking means comprising a ring cylinder `supportedfrom said .member concentric with said iaxle, and resilient meanssupported on said ring cylinder at spaced points, said resilient meansbeing ope ative .to Vsupport said stators. concentricl Vwitlrsaidaxle.`

ll. vIn abrake arrangement, a wheel and axle assembly, a framesupporting .member on said assembly inboard said wheel, a framesupported thereon,.and braking means in theorm of rotors and statorsbetweensaid wheel and said Ymember vand supported respectivelytherefrom, said braking means comprising power means supported.concentricof said axle, a torque' connection between. said power meansandV said frame, and .resilient members carried at spaced points onsaidpower meanssaid resilient members aord- 'ing support and release:means for said stators.

. l2. In a brake arrangement, a wheel and axle assembly, a framesupporting member carried ion said. axle inboard saidjwheel, rotors andstators interleaved betweensaid. wheel and said memberand supportedtherefrom respectively,

60 power means mounted onsaid member concentricV with said axiezandoperable to Ymove Asaid rotors and stators into braking engagement, andsupportand release means carriedrespectively 'onsaidwheel vandsaid powermeans for said rotors and stators.

13. In a brake arrangement, a wheel and axle assembly', afiramesupportedon said assembly `inboa'rd. said wheel, braking means comprisinginterleavedrotors and stators supported around said axle betweensaid-wheel and frameyoperating means for said braking meansrin the forniVof a ring` cylinder supported concentric with said axle, and releasemeans for 'said rotorsV and stators supported respectively fromsaidwheel and said power means.V

assembly, a frame supportingmember onsaidV 14. Ina brake arrangement fora railway car truck, a frame, supporting wheel and axle assemblies,pedestalv blocks inboard said wheels aiording seats for said frame, andbraking means between each wheel and the adjacentblock comprisinginterleaved rotors and stators, said rotors,

being supported from said wheel, power means supported on said blockaround the axle, said stators being supported-fromsaid power means andsaid power means being operable to move said stators and rotors intoengagement with each other.

15. In a brake arrangement, a wheel andaxle assembly, a frame supportingmember on said assembly'inboard said wheel, a frame supported thereon,and braking means in the form of Vrotors and stators between said wheeland said member and supported respectively therefrom, said braking meanscomprising power means mounted on said member operable to actuate saidrotors and stators, and stator support and release means mounted on saidpower means.

16. In a brake arrangement, a wheeland axle assembly, a frame supportingmember on said assembly inboard said Wheel, a frame supported thereon,and braking means in the'form of rotors and stators between said wheeland said mem'- ber and supported respectively therefrom, said supportedfrom saidmembenand a torque conf, Ynection between said power means andsaid frame.1 Y y y 19. In a brake arrangement, a wheel and axleassembly, a frame supporting'me'mber on said assembly, a framesupportedthereon, and brak-' ,I

ing means in the form of rotors and stators between said wheel and saidmember and supported respectively therefrom, said braking meansComprising power means resiliently mounted on said member operable toactuate said rotors and stators, and stator support and yrelease meansmounted on said power means.

20. In a brake arrangement, a wheel and axle assembly, -a framesupporting member. on said assembly, a frame supported thereon, andbraking means in the form of rotors andstators between said wheel andsaid member and supbraking means comprising a ring cylinder resili'-ently supported from said member concentric with said axle. l

17. In a brake arrangement, a wheel and axle assembly, a framesupporting member onv said assembly inboard said Wheel, a framesupported `and stators between said wheel and `said member andsupported'respectively therefromsaid brak-Y ing meanscomprising powermeans resiliently Yincluding resilient pads mounted on portedrespectively therefrom, said braking means comprising power meansmounted on said member operable to actuate said rotors and stators,

and stator support means including resilient pads mounted on said powermeans. v

21. In a brakev arrangement, a Wheel and axle assembly, a frame.supporting member on said assembly, `a frame supported thereon, andbraking means in the form of ,rotors and stators between said wheel landsaid lmember and supported respectively therefrom, said braking meanscomprising power means resiliently mounted on `said member operable toactuate said rotors and stators, and statorsupport and Vrelease meanssaid power means.

22. Ina vehicle, a frame, a supporting .wheel and axle assemblyincluding an inner rotatable axle with a wheel thereon, an outerynon-rotating axle havinga frame supporting member thereon, vbrakingmeans between said wheel and'said member including rotors driven by saidwheel and stators interleaved with: saidI rotors,v annular Power means-resiliently carried, on said member Y concentric withVA said' axlesvfor actuating -said brake means, and stator vsupport means on saidpower means.l

CARL E. TACK. Y

WALTER H. 'BASELT.',

